Graphical Representation of Frequency Distributions

Histogram

Graph showing class frequencies as adjacent bars.

Frequency Polygon

Line graph connecting class midpoints and frequencies.

Cumulative Frequency Polygon

Graph showing cumulative frequencies over class intervals.

Class Frequency

Number of observations in a specific class.

Class Interval

Range of values grouped for frequency distribution.

Class Midpoint

Average of lower and upper class limits.

Continuous Data

Data measured on a continuous scale.

Discrete Data

Data measured in distinct categories.

Bar Chart

Graph displaying categorical data with separated bars.

Mode

Class with the highest frequency in distribution.

Typical Profit

Average profit representing a class's values.

Statistical Analysis

Use of statistics to interpret data.

Data Visualization

Graphical representation of data for analysis.

Statistical Reform

Improvements based on statistical findings.

Graphical Representation

Visual display of data trends and distributions.

Height of Bars

Indicates frequency of observations in histogram.

Anchoring Points

Added points to stabilize frequency polygon.

Data Concentration

Clustering of data points within specific ranges.

Frequency Distribution

Summary of how data is distributed across classes.